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摘要: Given N rational numbers in the form "numerator/denominator", you are supposed to calculate their sum. Input Specification: Each input file contains o 阅读全文
posted @ 2017-11-23 20:34 gaoren 阅读(276) 评论(0) 推荐(0) 编辑
摘要: Given a non-empty tree with root R, and with weight Wi assigned to each tree node Ti. The weight of a path from R to Lis defined to be the sum of the 阅读全文
posted @ 2017-11-21 18:50 gaoren 阅读(239) 评论(0) 推荐(0) 编辑
摘要: People often have a preference among synonyms of the same word. For example, some may prefer "the police", while others may prefer "the cops". Analyzi 阅读全文
posted @ 2017-11-20 17:19 gaoren 阅读(248) 评论(0) 推荐(0) 编辑
摘要: An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any 阅读全文
posted @ 2017-11-19 19:07 gaoren 阅读(167) 评论(0) 推荐(0) 编辑
摘要: Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional 阅读全文
posted @ 2017-11-18 10:44 gaoren 阅读(205) 评论(0) 推荐(0) 编辑
摘要: Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic operations include Push ( 阅读全文
posted @ 2017-11-17 16:15 gaoren 阅读(174) 评论(0) 推荐(0) 编辑
摘要: For any 4-digit integer except the ones with all the digits being the same, if we sort the digits in non-increasing order first, and then in non-decre 阅读全文
posted @ 2017-11-16 21:40 gaoren 阅读(223) 评论(0) 推荐(0) 编辑
摘要: A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes 阅读全文
posted @ 2017-11-15 17:58 gaoren 阅读(227) 评论(0) 推荐(0) 编辑
摘要: Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the tw 阅读全文
posted @ 2017-11-14 19:14 gaoren 阅读(219) 评论(0) 推荐(0) 编辑
摘要: About 900 years ago, a Chinese philosopher Sima Guang wrote a history book in which he talked about people's talent and virtue. According to his theor 阅读全文
posted @ 2017-11-13 19:13 gaoren 阅读(144) 评论(0) 推荐(0) 编辑
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